12 Days of Christmas
701
99 Bottles of Beer
760
Abundant Numbers
876
Abundant Numbers (Long)
925
Arabic to Roman
711
Arithmetic Numbers
946
Arrows
830
Ascending Primes
588
ASCII Table
796
brainfuck
749
Card Number Validation
787
Catalan Numbers
874
Catalan’s Constant
690
Christmas Trees
759
Collatz
541872742
887
CSS Colors
438
Cubes
630
Day of Week
720
Diamonds
722
Divisors
985
Emirp Numbers
651
Emirp Numbers (Long)
573
Emojify
514
Evil Numbers
958
Evil Numbers (Long)
952
Factorial Factorisation
751
Farey Sequence
683
Fibonacci
452522806753669823499675
691935321712
Fizz Buzz
956
Foo Fizz Buzz Bar
971
Forsyth–Edwards Notation
748
Fractions
825
Gijswijt’s Sequence
525
Happy Numbers
982
Happy Numbers (Long)
698
Hexdump
821
Intersection
851
Inventory Sequence
609
ISBN
575
Jacobi Symbol
749
Kaprekar Numbers
267
Kolakoski Constant
797
Kolakoski Sequence
912
Leap Years
815
590
Levenshtein Distance
674
Leyland Numbers
695
ln 2
902
Lucky Numbers
555
Lucky Tickets
489
Mandelbrot
775
Medal Tally
441
Niven Numbers
800
Niven Numbers (Long)
903
Odious Numbers
956
Odious Numbers (Long)
950
Ordinal Numbers
465
919
977
Pangram Grep
929
Partition Numbers
578
Pascal’s Triangle
939
Pernicious Numbers
767
Pernicious Numbers (Long)
801
Prime Numbers
736
892
Prime Numbers (Long)
952
Proximity Grid
446
Quine
944
Repeating Decimals
392
Reverse Polish Notation
816
Seven Segment
430
Time Distance
742
United States
373
Van Eck Sequence
683
Zodiac Signs
664
π
874
τ
819
φ
887
√2
856
𝑒
868